Blood stem cells found to not be in charge in an emergency

As long as we are healthy, our body keeps the number of blood and immune cells largely constant. However, any infection or other disorder that increases cell consumption results in cell loss, which must be replaced as quickly ...

Team creates nano-magnets that could restore damaged nerve cells

Neurons are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the ...

How squid and octopus get their big brains

Cephalopods—which include octopus, squid, and their cuttlefish cousins—are capable of some truly charismatic behaviors. They can quickly process information to transform shape, color, and even texture, blending in with ...

A simpler way to differentiate B cells and T cells

Our immune system is essential for our survival, as our bodies are constantly being exposed to bacteria, viruses, parasites, and other pathogens. Without an immune system, we would quickly lose the war against these pathogens ...

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